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Individual Calculations March 2010 |
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| Chumpitaz, Ann Total change: 19.20 | |   |
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| I Open IRT Circulo Peruano de Ajedrez | Lima | PER | 2010-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2063 | 2021 | 2.00 | 4 | 0.22 | 15 | 3.30 | |
|  Lopez, Alberto | | | 2134 | PER | 0.00 | 1 | -0.35 | 15 | -5.25 | |  Jose, Guevara | | | 1950 | PER | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Estrada, Santiago | | | 2046 | PER | 0.50 | 1 | 0.03 | 15 | 0.45 | | | Aliaga Fernandez, Ingrid Y | | wf | 2122 | PER | 0.50 | 1 | 0.14 | 15 | 2.10 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | III Open IRT Jose Marca In Memoriam Premier | Lima | PER | 2010-01-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2156 | 2021 | 4.00 | 9 | 1.06 | 15 | 15.90 | |
| | Flores Cubas, Miguel | | | 2231 | PER | 1.00 | 1 | 0.77 | 15 | 11.55 | | | Celis Sanchez, Carlos | f | | 2205 | PER | 0.50 | 1 | 0.24 | 15 | 3.60 | | | Carbajal, Augusto | | | 2212 | PER | 1.00 | 1 | 0.75 | 15 | 11.25 | | | Vera Siguenas, Deivy | | | 2295 | PER | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Contreras, Jose | | | 2209 | PER | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Palacios, Efrain | | | 2175 | PER | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Principe, Alexander | f | | 1917 | PER | 0.50 | 1 | -0.14 | 15 | -2.10 | | | Chiarot, Cesar | | | 2066 | PER | 0.00 | 1 | -0.44 | 15 | -6.60 | | | Saavedra, Felix | | | 2095 | PER | 1.00 | 1 | 0.60 | 15 | 9.00 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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